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177 lines
8.5 KiB
C
177 lines
8.5 KiB
C
/** @file
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Driver Binding functions and Service Binding functions for the Network driver module.
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Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _UDP6_DRIVER_H_
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#define _UDP6_DRIVER_H_
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ServiceBinding.h>
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#include <Protocol/DevicePath.h>
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/**
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Tests to see if this driver supports a given controller. If a child device is provided,
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it further tests to see if this driver supports creating a handle for the specified child device.
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This function checks to see if the driver specified by This supports the device specified by
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ControllerHandle. Drivers typically use the device path attached to
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ControllerHandle and/or the services from the bus I/O abstraction attached to
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ControllerHandle to determine if the driver supports ControllerHandle. This function
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may be called many times during platform initialization. In order to reduce boot times, the tests
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performed by this function must be very small, and take as little time as possible to execute. This
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function must not change the state of any hardware devices, and this function must be aware that the
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device specified by ControllerHandle may already be managed by the same driver or a
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different driver. This function must match its calls to AllocatePages() with FreePages(),
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AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
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Since ControllerHandle may have been previously started by the same driver, if a protocol is
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already in the opened state, then it must not be closed with CloseProtocol(). This is required
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to guarantee the state of ControllerHandle is not modified by this function.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to test. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For bus drivers, if this parameter is not NULL, then
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the bus driver must determine if the bus controller specified
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by ControllerHandle and the child controller specified
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by RemainingDevicePath are both supported by this
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bus driver.
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@retval EFI_SUCCESS The device specified by ControllerHandle and
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RemainingDevicePath is supported by the driver specified by This.
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@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by the driver
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specified by This.
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@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by a different
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driver or an application that requires exclusive access.
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Currently not implemented.
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@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
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RemainingDevicePath is not supported by the driver specified by This.
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**/
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EFI_STATUS
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EFIAPI
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Udp6DriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Start this driver on ControllerHandle.
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This service is called by the EFI boot service ConnectController(). In order to make
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drivers as small as possible, there are a few calling restrictions for
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this service. ConnectController() must follow these
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calling restrictions. If any other agent wishes to call Start() it
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must also follow these calling restrictions.
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to bind a driver to.
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@param[in] RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCES This driver is added to ControllerHandle.
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@retval EFI_OUT_OF_RESOURCES The required system resource can't be allocated.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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Udp6DriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Stop this driver on ControllerHandle.
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This service is called by the EFI boot service DisconnectController(). In order to
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make drivers as small as possible, there are a few calling
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restrictions for this service. DisconnectController()
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must follow these calling restrictions. If any other agent wishes
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to call Stop(), it must also follow these calling restrictions.
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to stop the driver on.
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@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number
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of children is zero, stop the entire bus driver.
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@param[in] ChildHandleBuffer List of Child Handles to Stop. It is optional.
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@retval EFI_SUCCESS This driver removed ControllerHandle.
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@retval EFI_DEVICE_ERROR Can't find the NicHandle from the ControllerHandle and specified GUID.
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@retval other This driver was not removed from this device.
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**/
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EFI_STATUS
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EFIAPI
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Udp6DriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
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);
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/**
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Creates a child handle and installs a protocol.
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The CreateChild() function installs a protocol on ChildHandle.
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If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
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If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
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@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param[in, out] ChildHandle Pointer to the handle of the child to create. If it is NULL,
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then a new handle is created. If it is a pointer to an existing UEFI handle,
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then the protocol is added to the existing UEFI handle.
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@retval EFI_SUCCES The protocol was added to ChildHandle.
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@retval EFI_INVALID_PARAMETER This is NULL or ChildHandle is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to create
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the child.
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@retval other The child handle was not created.
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**/
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EFI_STATUS
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EFIAPI
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Udp6ServiceBindingCreateChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN OUT EFI_HANDLE *ChildHandle
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);
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/**
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Destroys a child handle with a set of I/O services.
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The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
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that was installed by CreateChild() from ChildHandle. If the removed protocol is the
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last protocol on ChildHandle, then ChildHandle is destroyed.
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@param[in] This Protocol instance pointer.
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@param[in] ChildHandle Handle of the child to destroy.
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@retval EFI_SUCCES The I/O services were removed from the child
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handle.
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@retval EFI_UNSUPPORTED The child handle does not support the I/O services
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that are being removed.
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@retval EFI_INVALID_PARAMETER Child handle is NULL.
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@retval EFI_ACCESS_DENIED The child handle could not be destroyed because
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its I/O services are being used.
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@retval other The child handle was not destroyed.
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**/
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EFI_STATUS
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EFIAPI
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Udp6ServiceBindingDestroyChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ChildHandle
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);
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#endif
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